
\begingroup
\centering
\begin{tabular}{m{6cm} m{1.4cm} m{1.4cm} m{1.4cm} m{1.4cm} m{1.4cm} m{1.4cm}}
   \toprule
                           & (1)            & (2)            & (3)          & (4)            & (5)            & (6)\\  
   $\textbf{Panel A: ammonia}$\\
                           &                &                &              &                &                &  \\  
   Restored wetland (prop) & -0.510$^{***}$ & -0.736$^{***}$ & 0.225$^{**}$ &                &                &   \\   
                           & (0.140)        & (0.148)        & (0.108)      &                &                &   \\   
   Restored wetland (0/1)  &                &                &              & -0.050$^{***}$ & -0.066$^{***}$ & -0.031$^{**}$\\   
                           &                &                &              & (0.014)        & (0.017)        & (0.013)\\   
    \\
   Dependent variable mean & 0.13346        & 0.13346        & 0.13346      & 0.13346        & 0.13346        & 0.13346\\  
   Observations            & 14,257         & 14,257         & 14,257       & 14,257         & 14,257         & 14,257\\  
   Adjusted R$^2$          & 0.25047        & 0.41523        & 0.40449      & 0.25080        & 0.41433        & 0.40496\\  
                           &                &                &              &                &                &  \\  
\end{tabular}
\par\endgroup


